21909798

素因数分解:

$2^1\times 3^3\times {\mathrm{151}}^1\times {\mathrm{2687}}^1$

素因数の和:2849

約数の個数: 32

約数和(自身を含む): 49029120

約数和(自身を除く): 27119322

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 151, 302, 453, 906, 1359, 2687, 2718, 4077, 5374, 8061, 8154, 16122, 24183, 48366, 72549, 145098, 405737, 811474, 1217211, 2434422, 3651633, 7303266, 10954899, 21909798]

約数ペア:

[(1, 21909798), (2, 10954899), (3, 7303266), (6, 3651633), (9, 2434422), (18, 1217211), (27, 811474), (54, 405737), (151, 145098), (302, 72549), (453, 48366), (906, 24183), (1359, 16122), (2687, 8154), (2718, 8061), (4077, 5374)]